1023031211133 has 4 divisors (see below), whose sum is σ = 1364041614848. Its totient is φ = 682020807420.

The previous prime is 1023031211131. The next prime is 1023031211143. The reversal of 1023031211133 is 3311121303201.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 1023031211133 - 2¹ = 1023031211131 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1023031211131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 170505201853 + ... + 170505201858.

It is an arithmetic number, because the mean of its divisors is an integer number (341010403712).

Almost surely, 2^{1023031211133} is an apocalyptic number.

It is an amenable number.

1023031211133 is a deficient number, since it is larger than the sum of its proper divisors (341010403715).

1023031211133 is an equidigital number, since it uses as much as digits as its factorization.

1023031211133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 341010403714.

The product of its (nonzero) digits is 324, while the sum is 21.

Adding to 1023031211133 its reverse (3311121303201), we get a palindrome (4334152514334).

The spelling of 1023031211133 in words is "one trillion, twenty-three billion, thirty-one million, two hundred eleven thousand, one hundred thirty-three".